What are the driver and passenger age requirements?

Drivers must be 21 or older with a valid driver’s license; all passengers must be age 10 or older.

How many passengers are allowed per vehicle?

The company enforces a limit of no more than 2 passengers at a time per UTV according to their booking rules.

When do I need to return the UTV?

UTVs must be returned during operating hours (9:00 AM–4:00 PM). 24‑hour rentals must be returned exactly at the 24‑hour mark.

Is there a security deposit or additional fees?

Yes, a $500 security deposit (Visa or MasterCard) is required per UTV and a $30 fee applies if returned with less than a full tank of gas.

Can I book the BioBay discount after renting the UTV?

Yes—your UTV confirmation includes a special booking link that generates an exclusive promo code for 10% off a Fun Brothers BioBay tour.

What happens if the vehicle is misused?

If an employee observes misuse the UTV may be taken immediately with no refund; follow all rules to avoid repossession.

Explore Vieques by UTV: Kawasaki Mule Rentals and Mosquito Bay Night Tours

Adventure Brief

Drive Vieques your way: a Kawasaki Mule UTV makes quick work of beaches, mangroves and salt flats by day, and includes a discount to experience Mosquito Bay’s famous bioluminescence after dark. Perfect for travelers who want short off-road access and a night-time natural spectacle.

4 hours – 10 days

moderate

From $177.00

On the small island of Vieques, Puerto Rico, a Kawasaki Mule UTV unlocks a different pace of exploration. From the meeting point at 177 Calle Flamboyan in Isabel Segunda, Fun Brothers’ 4 Passenger Kawasaki Mule puts narrow coastal roads, salt flats and hidden coves within reach of drivers age 21 and up. Daylight runs trace low ridgelines past mangrove fringes and fringing coral reef flats; after dark the same day can end on a guided trip to Mosquito Bay, one of the world’s brightest bioluminescent bays, for which this rental includes a 10% discount link. Drive to Sun Bay and Playa Caracas for broad sandy beaches and shallow snorkeling over coral gardens, or thread dirt lanes toward secluded lookout shoulders that frame the Atlantic and Caribbean slopes. The island’s geology is compact limestone and coastal terraces rather than high peaks; its natural stars are mangroves, seagrass beds and the glowing dinoflagellates that inhabit protected bays. Wildlife sightings commonly include sea turtles surfacing offshore and brown pelicans wheeling low, and every shoreline turn offers a new light for photos. Important rental rules are straightforward: drivers must be at least 21 with a valid license, all passengers must be age 10 or older, seat belts are mandatory, and the company enforces a $500 security deposit per UTV. Rentals return during operating hours (9:00 AM–4:00 PM); 24‑hour reservations must be returned exactly at the 24‑hour mark, and a $30 fee applies if you return with less than a full tank. If misuse is observed the vehicle may be repossessed without refund; bookings become non-refundable within 24 hours of reservation. This pairing of self-directed UTV touring with a curated bioluminescent bay experience makes the offering more than a rental: it’s a way to read the island’s human and natural history in a single day. Vieques lived for decades as a training ground for the U.S. Navy until the early 2000s; since the base closure much of the coastline has been reclaimed for conservation and low-impact recreation. Respect for fragile marine habitats matters here—avoid sunscreen and lotions before entering the water at Biobay, follow local guides’ night‑time instructions, and stick to marked roads to protect dune vegetation. For visitors who want access to wild beaches without committing to a long hike, the Kawasaki Mule balances capability, comfort and a compact footprint ideal for Vieques’ narrow lanes. Book a short rental to probe the island’s quiet corners by day and plan to cap the outing with Mosquito Bay after dark—the contrast between sunlit coral flats and a paddled blackwater glow is the kind of island memory that keeps people returning. Reserve early during high season and arrive with full tank and charged camera batteries and patience.